-52.81% is the change from 623 to 294
Calculation steps:
[( 294 - 623 ) ÷ 623] x 100 = -52.81%
Formula
Percentage change = [(294 - 623) / 623] x 100
Subtract the new number by the original number
294 - 623 = -329
-329 ÷ 623 = -0.5280898876404494
-0.5280898876404494 x 100 = -52.81%